diff --git a/lib/krb5/version-script.map b/lib/krb5/version-script.map
index fad84ebb5..818e6e071 100644
--- a/lib/krb5/version-script.map
+++ b/lib/krb5/version-script.map
@@ -285,6 +285,7 @@ HEIMDAL_KRB5_2.0 {
 		krb5_free_creds_contents;
 		krb5_free_data;
 		krb5_free_data_contents;
+		krb5_free_default_realm;
 		krb5_free_error;
 		krb5_free_error_contents;
 		krb5_free_error_string;